CNAE 8640-2/07 · São Luís (MA)

Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética in São Luís (MA)

45 active companies are headquartered in São Luís (MA) with this CNAE as their main activity. They represent 0.9% of Brazil's active companies with the same main activity.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

The same activity in Brazil 4,832 · Maranhão 93

What this list shows

We count each active company once, by its head office in the city and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.

Companies in São Luís (MA): 45; 0.9% of Brazil's
Of every 100 companies in São Luís (MA): 0.0; do this activity
Among Maranhão's cities: 1st; by companies in this activity

Active companies in São Luís (MA)

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 2

GAMA, MELO E CIA LTDASão Luís (MA)
UDI IMAGEM - UNIDADE DE DIAGNOSTICO POR IMAGEM LTDASão Luís (MA)
PSG SERVICOS DE DIAGNOSTICO E HEMOCENTRO VETERINARIO LTDASão Luís (MA)
CLINICA DE IMAGENOLOGIA MEDICA LTDASão Luís (MA)
ADOS SERVICOS MEDICOS LTDASão Luís (MA)
B DA C GALVAO LTDASão Luís (MA)
IMDX SERVICOS MEDICOS E HOSPITALARES LTDASão Luís (MA)
B3 INVESTIMENTOS MEDICOS LTDASão Luís (MA)
SEMEDIM-SERVICOS MEDICOS E DE DIAGNOSTICOS POR IMAGEMSão Luís (MA)
FL BORBA SERVICOS MEDICOS LTDASão Luís (MA)
L.S CARNEIRO SERVICOS MEDICOS LTDASão Luís (MA)
MOLINA SPRINGER SERVICOS MEDICOS LTDASão Luís (MA)
ERI FARMA LTDASão Luís (MA)
MONT'AZ 3D CLINICA IMAGEM LTDASão Luís (MA)
ULTRIMAGEM - SERVICOS DE DIAGNOSTICO POR IMAGEMSão Luís (MA)
TLR SERVICOS MEDICOS LTDASão Luís (MA)
MONUMENTAL IMAGEM LTDASão Luís (MA)
INOVA - INTERVENCAO ONCO VASCULAR E NEURO AVANCADA LTDA.São Luís (MA)
CLINICA ULTRASSONOGRAFIA E CIRURGIA LTDASão Luís (MA)
INSTITUTO MEDICO DE ULTRASONOGRAFIA LTDASão Luís (MA)
E K SERVICOS EM SAUDE LTDASão Luís (MA)
NUCLEARMAX DIAGNOSTICO POR IMAGEM LTDASão Luís (MA)
RMED RADIODIAGNOSTICO LTDASão Luís (MA)
F L DIAGNOSTICO POR IMAGEM LTDASão Luís (MA)
PRO-IMAGEM SERVICOS MEDICOS LTDASão Luís (MA)
RADIUS DIAGNOSTICOS POR IMAGEM LTDASão Luís (MA)
PAOLA KARINA MEJIA JESUS LTDASão Luís (MA)
EVANGELISTA SERVICOS MEDICOS LTDASão Luís (MA)
ESMERALDA GESTAO EM SAUDE LTDA. SAO LUIS SCP 01São Luís (MA)
ESMERALDA GESTAO EM SAUDE LTDA. BARCARENA SCP 01São Luís (MA)

List limited to 45 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.

How to assess a company's data

When you open a company's record, use these guides to check the data and understand what each field can establish.

How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.

How much the activity weighs

of every 100 active companies, how many do this activity

São Luís (MA)0.0
Maranhão0.0
Brazil0.0

In São Luís (MA), the activity weighs 2.3 times what it does in Brazil.

Maranhão's cities with the most companies in this activity

active companies and each city's share of the state

1 São Luís 48.4% 45
2 Imperatriz 12.9% 12
3 Coelho Neto 2.2% 2
4 Matões 2.2% 2
5 Parnarama 2.2% 2
6 Pinheiro 2.2% 2
7 Presidente Dutra 2.2% 2
8 Alto Alegre do Maranhão 1.1% 1
9 Buriticupu 1.1% 1
10 Igarapé do Meio 1.1% 1

20 more cities

Class 8640-2 in São Luís (MA)

atividades de serviços de complementação diagnóstica e terapêutica, by subclass

Subclass	Active
8640-2/01 Laboratórios de anatomia patológica e citológica	11
8640-2/02 Laboratórios clínicos	51
8640-2/03 Serviços de diálise e nefrologia	20
8640-2/04 Serviços de tomografia	23
8640-2/05 Serviços de diagnóstico por imagem com uso de radiação ionizante, exceto tomografia	107
8640-2/06 Serviços de ressonância magnética	8
8640-2/07 Serviços de diagnóstico por imagem sem uso de radiação ionizante, exceto ressonância magnética · this one	45
8640-2/08 Serviços de diagnóstico por registro gráfico - ecg, eeg e outros exames análogos	4
8640-2/09 Serviços de diagnóstico por métodos ópticos - endoscopia e outros exames análogos	11
8640-2/10 Serviços de quimioterapia	4
8640-2/11 Serviços de radioterapia	2
8640-2/12 Serviços de hemoterapia	3
8640-2/13 Serviços de litotripcia	0
8640-2/14 Serviços de bancos de células e tecidos humanos	0
8640-2/99 Atividades de serviços de complementação diagnóstica e terapêutica não especificadas anteriormente	21

Close to this: 8640-2/04 · Serviços de tomografia, 23 companies in São Luís (MA).

What activity 8640-2/07 is

Os serviços que realizam exames de ultrassonografia

See everything this activity covers

Frequently asked questions

How many companies have main CNAE 8640-2/07 in São Luís (MA)?

45 active companies have CNAE 8640-2/07 as their main activity in São Luís (MA), according to the Receita Federal's October 2026 publication. That is 0.0 of every 100 companies there, against 0.0 in Brazil.

Which of Maranhão's cities has the most companies in this activity?

São Luís, with 45, 48.4% of the state's companies in this activity.

Why can this total differ from the companies operating in the city?

This scope counts active companies by their head office and registered main activity. A company may operate in the city through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.

Does active status mean a company is qualified for a contract?

No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.

How we count

Active companies with this as their main activity, counted by head office in São Luís (MA).